(0 4 2)(1 21 19)(3 12 9 7 5)(6 18 15 13 8)(10 14 11)(16 20 17)
ALLOWS (11/8)-SEQUENCE
1: (0 4 7)

(0 5 3 12 9 7 2)(1 21 19)(4)(6 18 15 13 8)(10 14 11)(16 20 17)
2: (3 12 5)

(0 5 9 7 2)(1 21 19)(3)(4)(6 18 15 13 8)(10 14 11)(12)(16 20 17)
3: (6 18 8)

(0 5 9 7 2)(1 21 19)(3)(4)(6)(8 15 13)(10 14 11)(12)(16 20 17)(18)
4: (2 9 7)

(0 5 9)(1 21 19)(2)(3)(4)(6)(7)(8 15 13)(10 14 11)(12)(16 20 17)(18)